Some Ressources regarding the upcomming dublin server :
Features of Dublin :
http://channel9.msdn.com/posts/johanlindfors/Inside-the-Windows-Application-Server-Enhancements-known-as-Dublin-12/
Hosting Workflows
http://channel9.msdn.com/posts/johanlindfors/Inside-the-Windows-Application-Server-Enhancements-known-as-Dublin-22/
Dublin, Workflow